# SDR NWAA081036623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2008
- Submitted: March 21, 2008
- Operation: Air carrier
- Aircraft: [N523US](https://openairdocs.org/aircraft/N523US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 23617
- Aircraft time: 100,198 hours, 17,510 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA081036623

## Discrepancy

DURING OVERNIGHT CHECK, FOUND EMERGENCY PATH LIGHTS BOTH SIDES FROM ROW 35 TO 45 INOP.  MAINTENANCE REMOVED AND REPLACED BATTERY AND POWER SUPPLY.  OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.